{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "material", "biomedical", "manufacturing process", "application", "manufacturing standard"], "input": "In this study we aim to determine how the choice of welding process might impact on the through-life performance of critical nuclear components such as the reactor pressure vessel , steam generators and pressuriser in a pressurised water reactor ."}
{"concept or principle": ["process", "impact", "performance", "pressure"], "material": ["as"], "biomedical": [], "manufacturing process": ["welding"], "application": [], "manufacturing standard": []}